osd-contiki/tools/cooja/java/se/sics/cooja/MoteInterface.java

158 lines
5.6 KiB
Java

/*
* Copyright (c) 2008, Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: MoteInterface.java,v 1.7 2009/11/13 08:41:06 fros4943 Exp $
*/
package se.sics.cooja;
import java.util.Collection;
import java.util.Observable;
import javax.swing.JPanel;
import org.apache.log4j.Logger;
import org.jdom.Element;
import se.sics.cooja.interfaces.PolledAfterActiveTicks;
import se.sics.cooja.interfaces.PolledAfterAllTicks;
import se.sics.cooja.interfaces.PolledBeforeActiveTicks;
import se.sics.cooja.interfaces.PolledBeforeAllTicks;
/**
* A mote interface represents a mote property. Typically, this is a simulated
* hardware peripheral such as a button or LEDs. This may also be a property
* that the mote itself is unaware of, for example the current position of
* the mote.
*
* Interfaces are the main way for the simulator to interact with a simulated
* mote.
*
* Each interface can be polled before and after mote ticks.
* This is controlled by implementing the correct Java interfaces,
* such as PolledBeforeActiveTicks.
*
* @see PolledBeforeActiveTicks
* @see PolledAfterActiveTicks
* @see PolledBeforeAllTicks
* @see PolledAfterAllTicks
*
* @author Fredrik Osterlind
*/
public abstract class MoteInterface extends Observable {
private static Logger logger = Logger.getLogger(MoteInterface.class);
/**
* This method creates an instance of the given class with the given mote as
* constructor argument. Instead of calling the interface constructors
* directly this method may be used.
*
* @param interfaceClass
* Mote interface class
* @param mote
* Mote that will hold the interface
* @return Mote interface instance
*/
public static final MoteInterface generateInterface(
Class<? extends MoteInterface> interfaceClass, Mote mote) {
try {
MoteInterface instance = interfaceClass.getConstructor(
new Class[] { Mote.class }).newInstance(new Object[] { mote });
return instance;
} catch (Exception e) {
logger.fatal("Exception when calling constructor of " + interfaceClass, e);
return null;
}
}
/**
* Returns a panel visualizing this interface. This could for
* example show last messages sent/received for a radio interface, or logged
* message for a log interface.
*
* All panels returned from this method must later be released for memory
* reasons.
*
* This method may return null.
*
* @see #releaseInterfaceVisualizer(JPanel)
* @return Interface visualizer or null
*/
public abstract JPanel getInterfaceVisualizer();
/**
* This method should be called when a visualizer panel is no longer in use.
* Any resources of that panel, for example registered observers, will be
* released.
*
* @see #getInterfaceVisualizer()
* @param panel
* A interface visualizer panel fetched earlier for this mote
* interface.
*/
public abstract void releaseInterfaceVisualizer(JPanel panel);
/**
* Returns XML elements representing the current config of this mote
* interface. This is fetched by the simulator for example when saving a
* simulation configuration file. For example an IP interface may return one
* element with the mote IP address. This method should however not return
* state specific information such as a log history. (All nodes are restarted
* when loading a simulation.)
*
* @see #setConfigXML(Collection, boolean)
* @return XML elements representing the current interface config
*/
public abstract Collection<Element> getConfigXML();
/**
* Sets the current mote interface config depending on the given XML elements.
*
* @see #getConfigXML()
* @param configXML
* Config XML elements
* @param visAvailable
* Is this object allowed to show a visualizer?
*/
public abstract void setConfigXML(Collection<Element> configXML,
boolean visAvailable);
/**
* Called to free resources used by the mote interface.
* This method is called when the mote is removed from the simulation.
*/
public void removed() {
}
/**
* Called when all mote interfaces have been added to mote.
*/
public void added() {
}
}